Originally Posted by feline fanatic
If you are using a YLI product it is not Bottom Line. It may be their Basting and Bobbin thread which is cotton (bottom line is a 60 wt poly).
You are quite right that is exactly what I have bought, and it is wonderful, will this product be similar to the other one you have:
http://www.creativegrids.com/acatalo..._TH001418.html
Here in the UK our supplies are a bit different to over the pond :)